Reasoning: Blood Relations Set 2

Directions (1-3): Study the following information carefully to answer the questions that follow:
A is father of B and C is mother of A. E is sister of F whose daughter is G. S, the husband of C is the grandfather of G. P is father of E and brother of R. S has only two children, both of opposite sex.

1. What is the relation between F and S?
   A) F is daughter of S
   B) F is sister of S
   C) F is son of S
   D) F is daughter in law of S
   E) Either A option or D option
   
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   Option D
   Explanation:
   C and S have 2 children, one is A who is male (A is father of B). since C is the grandfather of G so F should be wife of A to have the relation C is the grandfather of G.
   If F was daughter of C and s, so C would have been maternal grandfather of her daughter G.
   
2. What is the relation between E and B?
   A) E is sister of B
   B) E is brother of B
   C) E is aunt of B
   D) E is maternal grandmother of B
   E) None of these
   
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   Option C
   Explanation:
   E is sister of F and B is child of F
   
3. What is the relation between B and G?
   A) B is sister of G
   B) B is brother of G
   C) B is aunt of G
   D) There is no relation
   E) None of these
   
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   Option E
   Explanation:
   Since gender of B is not known, either sister or brother of G
   

Directions (4-6):
A is mother of D who is father of G. B is grandfather of E and husband of A. D who has only two children is brother of C. A has two children both of same gender. J is aunt of H who is sister of G.

4. What is the relation between J and D?
   A) J is sister of D
   B) J is mother of D
   C) J is aunt of D
   D) Cannot be determined
   E) None of these
   
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   Option E
   Explanation:
   H is sister of G and G is child of D. so H and G children of D. J is aunt of H. so J can be wife of D’s brother C or J can be sister of D’s wife. In both cases J will be sister in law of D.
   
5. What is the relation between C and E?
   A) C is brother of E
   B) C is father of E
   C) C is uncle of E
   D) Cannot be determined
   E) None of these
   
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   Option B
   Explanation:
   B and A are husband wife, who have 2 children of same sex. A is mother of D who is father of G. this means both children are males. D is brother of C, so C and D both are sons of A and B.
   D also has two children – G and H. if B is grandfather of E then C must be father of E.
   
6. At least how many male members can be predicted by the given relations?
   A) 2
   B) 3
   C) 4
   D) 5
   E) None of these
   
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   Option B
   Explanation:
   B, C, and D are certainly males
   H and J are females. Gender of E and G not known.
   

Directions (7-8):
A has two sons. E is the daughter of G and B is the mother of C. F, the brother of E is the son of C who is the son of A. A is grandfather of J who is not a sibling of E. B has a child named D.

7. What is the relationship between D and J?
   A) D is father of J
   B) D is uncle of J
   C) J is son of D
   D) Cannot be determined
   E) None of these
   
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   Option D
   Explanation:
   A has two sons, but it is not mentioned that A has only 2 sons. So A and B can have daughters also
   Also it is not known that D is son of A or daughter of A, so J can be child of D or D can be uncle/aunt of J.
8. What is the ratio of males to females in the family?
   A) 1 : 1
   B) 1 : 3
   C) 5 : 3
   D) 3 : 5
   E) Cannot be determined
   
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   Option E
   Explanation:
   J’s and D’s gender not known.
   
9. If ‘P # Q’ means ‘P is the sister of Q’, ‘P + Q’ means ‘P is the wife of Q’, ‘P @ Q’ means ‘P is the son of Q’, and ‘P $ Q’ means ‘P is the mother of Q’, then what will come in the place of question mark, if it is provided that ‘D is the daughter-in-law of T’ in the expression ‘D $ R ? L @ T’?
   A) +
   B) #
   C) $
   D) @
   E) + or @
   
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   Option D
   Explanation:
   L is son of T, D is mother of R, so R should be child of D and L, for D to be daughter in law of T.
   
10. F is the Father of D, who is the father of S. M is the grandmother of R, who is the son of O.N is paternal uncle of R, who is brother of S. What is the relationship between O and R?
    A) Mother and son
    B) uncle and nephew
    C) Father and son
    D) No relation
    E) Cannot be determined
    
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    Option A
    Explanation:
    R is brother of S means D is father of R. R is son of O also, so O is mother of R.